Home / 26,611.76-39,917.92-12,757.52

Finding the Fourth Proportional to 26,611.76, 39,917.92 and 12,757.52

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Solution

The fourth proportional to 26,611.76, 39,917.92 and 12,757.52 is: 19,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,611.76 : 39,917.92 = 12,757.52 : x
  2. Step 2: Convert to fraction form
    26,611.76/39,917.92 = 12,757.52/x
  3. Step 3: Cross multiply
    26,611.76x = 39,917.92 × 12,757.52
  4. Step 4: Simplify right side
    26,611.76x = 509,253,662.76
  5. Step 5: Solve for x
    x = 509,253,662.76/26,611.76
  6. Step 6: Final answer
    x = 19,136.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.